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-rw-r--r--ruby_1_8_6/ext/io/wait/extconf.rb17
1 files changed, 17 insertions, 0 deletions
diff --git a/ruby_1_8_6/ext/io/wait/extconf.rb b/ruby_1_8_6/ext/io/wait/extconf.rb
new file mode 100644
index 0000000000..e8181d25f5
--- /dev/null
+++ b/ruby_1_8_6/ext/io/wait/extconf.rb
@@ -0,0 +1,17 @@
+require 'mkmf'
+target = "io/wait"
+
+unless macro_defined?("DOSISH", "#include <ruby.h>")
+ fionread = %w[sys/ioctl.h sys/filio.h].find do |h|
+ have_macro("FIONREAD", h)
+ end
+ if fionread
+ $defs << "-DFIONREAD_HEADER=\"<#{fionread}>\""
+ create_makefile(target)
+ end
+else
+ if have_func("rb_w32_ioctlsocket", "ruby.h")
+ have_func("rb_w32_is_socket", "ruby.h")
+ create_makefile(target)
+ end
+end